311013321103312 has 20 divisors (see below), whose sum is σ = 602626836323556. Its totient is φ = 155496718181120.

The previous prime is 311013321103253. The next prime is 311013321103319. The reversal of 311013321103312 is 213301123310113.

It can be written as a sum of positive squares in 2 ways, for example, as 277156703104576 + 33856617998736 = 16648024^2 + 5818644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311013321103319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621140083 + ... + 621640594.

Almost surely, 2^{311013321103312} is an apocalyptic number.

It is an amenable number.

311013321103312 is a deficient number, since it is larger than the sum of its proper divisors (291613515220244).

311013321103312 is a wasteful number, since it uses less digits than its factorization.

311013321103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242796326 (or 1242796320 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 311013321103312 its reverse (213301123310113), we get a palindrome (524314444413425).

The spelling of 311013321103312 in words is "three hundred eleven trillion, thirteen billion, three hundred twenty-one million, one hundred three thousand, three hundred twelve".